helium
The many uses for helium, but are we running out of it?
© American Chemical Society (A Britannica Publishing Partner)
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Encyclopædia Britannica, Inc.Overview of the impact on Earth of an increase in global average temperature.
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Encyclopædia Britannica, Inc.The three most familiar forms, or states, of matter are solid, liquid, and gas. Heating and cooling a substance may change it from one state to another.
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© American Chemical Society (A Britannica Publishing Partner)The many uses for helium, but are we running out of it?
